26 10 00 Medium Voltage Electrical Distribution 33 70 00 Electrical Utilities 33 80 00 Communications Utilities 48 10 00 Electrical Power Generation Equipment Building Contractor Highway Contractor 26 50 00 Lighting

23 00 00 Heating, Ventilating, and Air Conditioning 48 10 00 Electrical Power Generation Equipment 48 14 00 Solar Energy Electrical Power Generation Equipment Building Contractor Division 48 - Electrical Power Generation

26 50 00 Lighting 27 00 00 Communications 27 40 00 Audio-Video Communications 33 70 00 Electrical Utilities 48 10 00 Electrical Power Generation Equipment Design Build Engineers